Breathing air filtration device

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of a breathing air filtration device showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

Claims

The ornamental design for a breathing air filtration device, as shown.

Referenced Cited
U.S. Patent Documents
533880 February 1895 Forne
701538 June 1902 Carence
813425 February 1906 Hill
1071015 August 1913 Adler
1175799 March 1916 Niessner
1322375 November 1919 Un
1508890 September 1924 Lasseaux
1520930 December 1924 Calhoun
1823094 September 1931 Dylong
2057397 October 1936 Clauss
2097846 November 1937 Clauss
2151227 March 1939 Pawelek
2162583 June 1939 Kjellsson
2277390 March 1942 Jose
2433565 December 1947 Alexander
2535155 December 1950 Pandorf
2672138 March 1954 Pomeroy
2751906 June 1956 Irvine
2777442 January 1957 Zelano
2890695 June 1959 Safstrom
3451392 June 1969 Cook et al.
3457917 July 1969 Mercurio
3463149 August 1969 Albu
3722509 March 1973 Nebel
3747597 July 1973 Olivera
3884223 May 1975 Keindl
3905335 September 1975 Kapp
4030491 June 21, 1977 Mattila
4052983 October 11, 1977 Bovender
D251017 February 6, 1979 Amezcua
4220150 September 2, 1980 King
4221217 September 9, 1980 Amezcua
4267831 May 19, 1981 Aguilar
4327719 May 4, 1982 Childers
4401117 August 30, 1983 Gershuny
4573461 March 4, 1986 Lake
4984302 January 15, 1991 Lincoln
5117820 June 2, 1992 Robitaille
5392773 February 28, 1995 Bertrand
5417205 May 23, 1995 Wang
5568808 October 29, 1996 Rimkus
5746200 May 5, 1998 Draenert
5775335 July 7, 1998 Seal
5787884 August 4, 1998 Tovey
5890491 April 6, 1999 Rimkus
6015425 January 18, 2000 Altadonna, Jr.
6109262 August 29, 2000 Tovey
6119690 September 19, 2000 Pantaleo
6213121 April 10, 2001 Cardarelli
D451193 November 27, 2001 McCormick
6386197 May 14, 2002 Miller
6494205 December 17, 2002 Brown
6701924 March 9, 2004 Land, Jr. et al.
6962156 November 8, 2005 Michaels
6978781 December 27, 2005 Jordan
20030106555 June 12, 2003 Tovey
20030106556 June 12, 2003 Alperovich et al.
20030209145 November 13, 2003 Soper
20040055603 March 25, 2004 Bruce
20040079814 April 29, 2004 Altadonna, Jr.
20040194784 October 7, 2004 Bertrand
20040211425 October 28, 2004 Wang
20040261798 December 30, 2004 Rimkus
20050061325 March 24, 2005 Michaels
20050066972 March 31, 2005 Michaels
20050066973 March 31, 2005 Michaels
20050205095 September 22, 2005 Dolezal et al.
Foreign Patent Documents
20101539 June 2001 DE
1340522 September 2003 EP
Other references
  • T. J. O'Meara, et al., “The reduction of rhinitis symptoms by nasal filters during natural exposure to ragweed and grass pollen”, Allergy 2005: 60: 529-532.
  • Medical Device Company Focused Initially on Preventing Hay Fever, The University of Sydney Business Liaison Office, Commercialisation; Forum & Fair of Ideas; Sydney Mar. 26-28, 2003.
Patent History
Patent number: D572360
Type: Grant
Filed: Sep 29, 2005
Date of Patent: Jul 1, 2008
Assignee: Dolezal Creative Innovations, LLC (Edina, MN)
Inventors: David M. Dolezal (Edina, MN), John D. Wilder (Brooklyn Park, MN), Daniel M. Gelfman (Minnetonka, MN)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Dorsey & Whitney LLP
Application Number: 29/239,439